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<div class="title">Matrix3x3.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">// =========================================================================================</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// KXG363 - Advanced Games Programming, 2012</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">// =========================================================================================</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">// Author: Robert Ollington</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">// matrix3x3.h</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">// 3x3 matrix class</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">// Adapted from Ogre3D</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;</div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#ifndef MATRIX3X3_H</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MATRIX3X3_H</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#include &lt;assert.h&gt;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#include &quot;Vector3.h&quot;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="keyword">namespace </span>T3D</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;{</div>
<div class="line"><a name="l00022"></a><span class="lineno"><a class="line" href="class_t3_d_1_1_matrix3x3.html">   22</a></span>&#160;    <span class="keyword">class </span><a class="code" href="class_t3_d_1_1_matrix3x3.html">Matrix3x3</a></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;    {</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;    <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;        <span class="keyword">union </span>{</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;            <span class="keywordtype">float</span> m[3][3];</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;            <span class="keywordtype">float</span> _m[9];</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;        };</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;    <span class="keyword">public</span>:</div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">   35</a></span>&#160;        <span class="keyword">inline</span> <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a> () {}</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;        <span class="keyword">inline</span> <span class="keyword">explicit</span> <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a> (<span class="keyword">const</span> <span class="keywordtype">float</span> arr[3][3])</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;        {</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;            memcpy(m,arr,9*<span class="keyword">sizeof</span>(<span class="keywordtype">float</span>));</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;        }</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;        <span class="keyword">inline</span> <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a> (<span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a>&amp; other)</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;        {</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;            memcpy(m,other.m,9*<span class="keyword">sizeof</span>(<span class="keywordtype">float</span>));</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;        }</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;        <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a> (<span class="keywordtype">float</span> m00, <span class="keywordtype">float</span> m01, <span class="keywordtype">float</span> m02,</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;                    <span class="keywordtype">float</span> m10, <span class="keywordtype">float</span> m11, <span class="keywordtype">float</span> m12,</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;                    <span class="keywordtype">float</span> m20, <span class="keywordtype">float</span> m21, <span class="keywordtype">float</span> m22)</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        {</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;            m[0][0] = m00;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;            m[0][1] = m01;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;            m[0][2] = m02;</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;            m[1][0] = m10;</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;            m[1][1] = m11;</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;            m[1][2] = m12;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;            m[2][0] = m20;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;            m[2][1] = m21;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;            m[2][2] = m22;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        }</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="class_t3_d_1_1_matrix3x3.html#a6215a407faa9e455349e3fdde4a9a864">   64</a></span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="class_t3_d_1_1_matrix3x3.html#a6215a407faa9e455349e3fdde4a9a864">swap</a>(<a class="code" href="class_t3_d_1_1_matrix3x3.html">Matrix3x3</a>&amp; other)</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        {</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;            std::swap(m[0][0], other.m[0][0]);</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;            std::swap(m[0][1], other.m[0][1]);</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;            std::swap(m[0][2], other.m[0][2]);</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;            std::swap(m[1][0], other.m[1][0]);</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;            std::swap(m[1][1], other.m[1][1]);</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;            std::swap(m[1][2], other.m[1][2]);</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;            std::swap(m[2][0], other.m[2][0]);</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;            std::swap(m[2][1], other.m[2][1]);</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;            std::swap(m[2][2], other.m[2][2]);</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        }</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        <span class="comment">// member access, allows use of construct mat[r][c]</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">float</span>* operator[] (<span class="keywordtype">int</span> iRow)<span class="keyword"> const</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;            <span class="keywordflow">return</span> (<span class="keywordtype">float</span>*)m[iRow];</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;        }</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;        Vector3 GetColumn (<span class="keywordtype">int</span> iCol) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;        <span class="keywordtype">void</span> SetColumn(<span class="keywordtype">int</span> iCol, <span class="keyword">const</span> Vector3&amp; vec);</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;        <span class="keywordtype">void</span> FromAxes(<span class="keyword">const</span> Vector3&amp; xAxis, <span class="keyword">const</span> Vector3&amp; yAxis, <span class="keyword">const</span> Vector3&amp; zAxis);</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;        <span class="comment">// assignment and comparison</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        <span class="keyword">inline</span> <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a>&amp; operator= (<span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a>&amp; other)</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;        {</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;            memcpy(m,other.m,9*<span class="keyword">sizeof</span>(<span class="keywordtype">float</span>));</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;            <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;        }</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;        <span class="keywordtype">bool</span> operator== (<span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a>&amp; other) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator!= (<span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a>&amp; other)<span class="keyword"> const</span></div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;            <span class="keywordflow">return</span> !operator==(other);</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;        }</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;        <span class="comment">// arithmetic operations</span></div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;        <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a> operator+ (<span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a>&amp; other) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a> operator- (<span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a>&amp; other) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;        <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a> operator* (<span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a>&amp; other) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a> operator- () <span class="keyword">const</span>;</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;        <span class="comment">// matrix * vector [3x3 * 3x1 = 3x1]</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;        Vector3 operator* (<span class="keyword">const</span> Vector3&amp; v) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;        <span class="comment">// vector * matrix [1x3 * 3x3 = 1x3]</span></div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;        <span class="keyword">friend</span> Vector3 operator* (<span class="keyword">const</span> Vector3&amp; v, <span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a>&amp; m);</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        <span class="comment">// matrix * scalar</span></div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a> operator* (<span class="keywordtype">float</span> s) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;        <span class="comment">// scalar * matrix</span></div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;        <span class="keyword">friend</span> <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a> operator* (<span class="keywordtype">float</span> s, <span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a>&amp; m);</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;        <span class="comment">// utilities</span></div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;        <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a> transpose () <span class="keyword">const</span>;</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;        <a class="code" href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">Matrix3x3</a> inverse (<span class="keywordtype">float</span> tolerance = 1e-06) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;        <span class="keywordtype">float</span> determinant () <span class="keyword">const</span>;</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;        <span class="comment">// The matrix must be orthonormal.  The decomposition is yaw*pitch*roll</span></div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;        <span class="comment">// where yaw is rotation about the Up vector, pitch is rotation about the</span></div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;        <span class="comment">// Right axis, and roll is rotation about the Direction axis.</span></div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;        </div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;        <span class="keywordtype">bool</span> toEulerAngles(<span class="keywordtype">float</span>&amp; yAngle, <span class="keywordtype">float</span>&amp; pAngle, <span class="keywordtype">float</span>&amp; rAngle) <span class="keyword">const</span>;        </div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;        <span class="keywordtype">void</span> fromEulerAngles(<span class="keyword">const</span> <span class="keywordtype">float</span>&amp; yAngle, <span class="keyword">const</span> <span class="keywordtype">float</span>&amp; pAngle, <span class="keyword">const</span> <span class="keywordtype">float</span>&amp; rAngle);</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;        <span class="keyword">inline</span> <span class="keyword">friend</span> std::ostream&amp; <span class="keyword">operator</span> &lt;&lt;</div>
<div class="line"><a name="l00135"></a><span class="lineno"><a class="line" href="class_t3_d_1_1_matrix3x3.html#ad6b99323eab6e1bff7d83d3845e38fb2">  135</a></span>&#160;            ( std::ostream&amp; o, <span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_matrix3x3.html">Matrix3x3</a>&amp; mat )</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;        {</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;            o &lt;&lt; <span class="stringliteral">&quot;Matrix3x3(&quot;</span> &lt;&lt; mat[0][0] &lt;&lt; <span class="stringliteral">&quot;, &quot;</span> &lt;&lt; mat[0][1] &lt;&lt; <span class="stringliteral">&quot;, &quot;</span> &lt;&lt; mat[0][2] &lt;&lt; <span class="stringliteral">&quot;, &quot;</span> </div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;                            &lt;&lt; mat[1][0] &lt;&lt; <span class="stringliteral">&quot;, &quot;</span> &lt;&lt; mat[1][1] &lt;&lt; <span class="stringliteral">&quot;, &quot;</span> &lt;&lt; mat[1][2] &lt;&lt; <span class="stringliteral">&quot;, &quot;</span> </div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;                            &lt;&lt; mat[2][0] &lt;&lt; <span class="stringliteral">&quot;, &quot;</span> &lt;&lt; mat[2][1] &lt;&lt; <span class="stringliteral">&quot;, &quot;</span> &lt;&lt; mat[2][2] &lt;&lt; <span class="stringliteral">&quot;)&quot;</span>;</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;            <span class="keywordflow">return</span> o;</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;        }</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">float</span> EPSILON;</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;        <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_matrix3x3.html">Matrix3x3</a> ZERO;</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;        <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_matrix3x3.html">Matrix3x3</a> IDENTITY;</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;    <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;        <span class="comment">// for faster access</span></div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;        <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="class_t3_d_1_1_matrix4x4.html">Matrix4x4</a>;</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;    };</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;}</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="class_t3_d_1_1_matrix3x3_html"><div class="ttname"><a href="class_t3_d_1_1_matrix3x3.html">T3D::Matrix3x3</a></div><div class="ttdef"><b>Definition:</b> Matrix3x3.h:22</div></div>
<div class="ttc" id="class_t3_d_1_1_matrix3x3_html_a6215a407faa9e455349e3fdde4a9a864"><div class="ttname"><a href="class_t3_d_1_1_matrix3x3.html#a6215a407faa9e455349e3fdde4a9a864">T3D::Matrix3x3::swap</a></div><div class="ttdeci">void swap(Matrix3x3 &amp;other)</div><div class="ttdef"><b>Definition:</b> Matrix3x3.h:64</div></div>
<div class="ttc" id="class_t3_d_1_1_matrix3x3_html_aa15c86b1342e7130dd34bce9c240ced3"><div class="ttname"><a href="class_t3_d_1_1_matrix3x3.html#aa15c86b1342e7130dd34bce9c240ced3">T3D::Matrix3x3::Matrix3x3</a></div><div class="ttdeci">Matrix3x3()</div><div class="ttdef"><b>Definition:</b> Matrix3x3.h:35</div></div>
<div class="ttc" id="class_t3_d_1_1_matrix4x4_html"><div class="ttname"><a href="class_t3_d_1_1_matrix4x4.html">T3D::Matrix4x4</a></div><div class="ttdef"><b>Definition:</b> Matrix4x4.h:24</div></div>
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